CN104002828B - A kind of manufacturing process of railway freight-car circular arc side wall composition - Google Patents
A kind of manufacturing process of railway freight-car circular arc side wall composition Download PDFInfo
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- CN104002828B CN104002828B CN201410239318.5A CN201410239318A CN104002828B CN 104002828 B CN104002828 B CN 104002828B CN 201410239318 A CN201410239318 A CN 201410239318A CN 104002828 B CN104002828 B CN 104002828B
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Abstract
The present invention relates to a kind of manufacturing process of railway freight-car circular arc side wall composition. Comprise the first framed side wallboard, the second framed side wallboard and the 3rd framed side wallboard of the arc welding successively from top to bottom; Described the first framed side wallboard top wooden partition is welded with top side rail composition; The weld of the first framed side wallboard and the second framed side wallboard side wall is longitudinally welded with side wall buttress brace composition; The weld of the second framed side wallboard and the 3rd framed side wallboard is longitudinally welded with bottom side rail composition; Described bottom side rail composition below is longitudinally welded with bottom side rail buttress brace composition. The present invention adopts the longitudinal spliced design of framed side wallboard and not uniform thickness design, splicing welding joint to be hidden, and effectively reduces splicing welding joint length, reduces joint bevel processing capacity and wlding consumption, contributes to promote the rate that comes into force, cost-saving; Side wall flatness is effectively controlled, appearance looks elegant; Operation is simplified, and manufacture difficulty and labour intensity reduce, and tooling device drops into simple, and efficiency is effectively promoted.
Description
Technical field
The manufacturing process that the present invention relates to a kind of circular arc side wall composition, especially relates to a kind of railway freight-carThe manufacturing process of circular arc side wall composition.
Background technology
Along with social development, newly-increased, the enlarging of global rail facility, the railway transportation of mineral resourcesDemand is significantly enhanced. At present, the railway freight-car of bearing mineral resources transports mainly with open-top car,Hopper wagon is main, and wherein hopper wagon mostly adopts circular arc sidewall structure, mainly by circular arc framed side wallboard, onThe compositions such as curb girder, bottom side rail and buttress brace, are convenient to increase vehicle body volume, and open the door at the bottom of designing control formulaStructure realizes the automatic unloading of particle or block bulk goods, has become the principal mode iron of transport mineral resourcesOne of afloat car.
Circular arc sidewall structure is because of vehicle technology parameter difference, and its side wall can design different radian forms,The length of its side wall is generally greater than 6m, is subject to the supplied materials size restrictions of plate and for stock utilizationConsider, nearly all hopper wagon circular arc framed side wallboard has all adopted the splicing construction of polylith plate. Iron at presentRoad hopper truck circular arc framed side wallboard adopts that multi-sheets is horizontally-spliced to be formed more, need to be through round as a ball, circleThe operations such as arc splicing, the flatness of its splicing regions is difficult to guarantee, and manufacture difficulty is large, and manufacturing process is multipleAssorted, frock has high input, and production efficiency is lower, and horizontally-spliced weld seam is important outward appearance weld seam, itsMoulding situation also directly affects the outward appearance of car load.
At present, the circular arc framed side wallboard of railway hopper car circular arc sidewall structure all adopts horizontally-spliced mode,Every framed side wallboard is spliced by polylith plate, and its main manufacturing process is as follows:
1, side wall process conditions blanking: carry out the blanking of side wall process conditions according to the width scale of sheet material coiled strip,Every side wall at least needs 5 side wall process conditions to splice, and Vehicle length determines the required side wall work of splicingThe quantity of skill part.
2, side wall process conditions is round as a ball: adopt spheronizator to framed side wallboard process conditions rolling circular arc.
3, the assembled and welding of circular arc in framed side wallboard: the side wall process conditions of the good circular arc of rolling is winched to successivelyThe assembled position of foetus of interior circular arc framed side wallboard is grouping, clearance control 0～2mm, the amount of grinding one's teeth≤0.5mm, assemblingQualified to position solid welding fixed, and (receipts) arc plate is drawn in assembling at two ends, employing MAG semiautomatic welding orAutomatic welding process completes interior circular arc splicing welding joint successively.
4, framed side wallboard external arc splicing welding joint welding: utilize special hanger and overhead traveling crane etc. will complete inner circleArc end wall panel composition assembled and welding winches to the assembled position of foetus of external arc framed side wallboard and carries out dropping place clamping, adoptsTo the splicing welding joint reverse side back chipping of polishing, adopt MAG semiautomatic welding or welding operator with milling toolsSkill is welded outer arc splicing welding joint successively. Complete hanging on curb girder after welding and assemble, it is qualified to assembleAfter carry out tack welding and fix.
5, assembling bottom side rail and other play the accessory of strengthening side wall rigidity, bearing capacity: willThe side wall composition that upper operation completes winches to the accessory assembling position of foetus such as bottom side rail, carries out left-hand thread and falls into circleThe arc position of foetus positions clamping, assembles successively bottom side rail and other and plays and strengthen side wall rigidity, carrying energyThe accessory of power, assembles and carries out tack welding after qualified and fix, and welding portion weld seam.
There is following shortcoming in above-mentioned prior art:
Railway hopper car is designed circular arc sidewall structure at present, is subject to raw material size restrictions, its circular arcFramed side wallboard mainly adopts horizontally-spliced mode, and every side wall has at least 5 side wall process conditions splicingsForm, its technical disadvantages is as follows:
1) circular arc side wall consists of the important stressed load bearing component of railway hopper car, the stressed shape that it is longitudinalState is generally more even, but the stress of its transverse lower portion is more than the horizontal stress complexity on top,Carry much larger than top bottom, and conventional circular arc framed side wallboard adopts horizontally-spliced mode, monoblock framed side wallboardDesign thickness of slab consistent, cannot realize the equal strength design of the different thicknesss of slab in framed side wallboard upper and lower part, unfavorableIn alleviating light weight, cause waste of material, cost increases.
2) horizontally-spliced mode is difficult to realize the equal strength design of the different thicknesss of slab in framed side wallboard upper and lower part, forEnsure bearing capacity and rigidity, the general design of thickness of slab of monoblock framed side wallboard is greater than 4mm, and load-carrying is larger, establishesMeter thickness of slab can increase thereupon. Design and manufacture technology generally needs first round as a ball rear splicing, need to arrange specialThe circular arc splicing position of foetus, the side wall assembling position of foetus also needs to arrange profiling circular arc, operation and frock more complicated,Drop into also greatlyr, and be unfavorable for suppressing the welding anti-distortion of top side rail, bottom side rail. If cancel round as a ball workOrder, framed side wallboard is taked the process program that carries out circular arc profiling assembling after flat plate splicing, is generally not easy to sideThe preparation of wall circular arc, is difficult to meet the requirement of car load assembling.
3) at least splice calculation by 5 side wall process conditions by every circular arc side wall, horizontally-spliced schemeHave 4 splicing welding joints at least, along with the increase of vehicle design length, splicing welding joint can be more, weldingTime is long, and workload is large.
While adopting automatic welding, if adopt an automatic welding device, whole splicing need to repeatedly be adjustedWelding position just can complete the welding of all splicing welding joints, is difficult to realize once adjust the work of having weldedSkill scheme; If adopt many automatic welding devices to realize welding simultaneously, manually drop into, equipment investment is huge,Manufacturing cost is high.
While adopting semiautomatic welding or manual welding, operating personnel need to weld on arc surface, existsLarger potential safety hazard, and efficiency is lower, and welding quality is difficult to effectively be ensured.
4) the horizontally-spliced weld seam quantity of circular arc framed side wallboard is more, and the group of polylith arc plate is to gap, misalignmentIt is larger that amount is controlled difficulty, and all horizontally-spliced weld seams are side wall outward appearance weld seam, the quality of appearance of weldDirectly affect the attractive in appearance of car load.
5) horizontally-spliced weld seam overall length is generally longer, for guarantee outward appearance joining quality need to be prepared groove,Groove processing capacity and wlding consumption are larger, and for ensureing joining quality, every weld seam two ends also need to be equipped with draws(receipts) arc plate, drawing (receipts) arc plate needs special blanking, and is processed into the groove consistent with jointsPattern, the auxiliary input needing is relatively large.
Summary of the invention
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A manufacturing process for railway freight-car circular arc side wall composition, is characterized in that, comprises the following steps:
Step 1, longitudinal spliced the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard on the horizontal position of foetus,First the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard are winched to the assembling position of foetus, group is laggard to adjustingRow tack welding is fixed, because splicing is docking or the overlap joint of bevel or square groove, so firstFramed side wallboard, the second framed side wallboard, the 3rd framed side wallboard can be different thicknesss of slab, three the first framed side wallboards,The thickness of slab of the second framed side wallboard, the 3rd framed side wallboard can be between two different or three all different; It is qualified to assembleAdopt auxiliary mould compress each framed side wallboard splicing welding joint place, make its with the horizontal position of foetus closely connected, employing MAGAutomatic process or semiautomatic welding technique complete the front welding of splicing welding joint; Must not be from two ends when welding toMiddle welding;
Step 2, line assembling top side rail composition, side wall buttress brace composition is determined under impaction statePosition solid welding is fixed; When tack welding, should weld from the middle to both ends; This top side rail composition comprises that a cross section is UThe top side rail of shape, two ends be fixed with top side rail shrouding parallel with top side rail cross section in top side rail; On twoParallelly with top side rail shrouding between side beam seal plate be fixed with some top side rail dividing plates; Side wall buttress brace compositionComprise the side wall buttress brace of a hollow, side wall buttress brace two ends are welded with side wall buttress brace shroudingSide wall buttress brace is sealed into a totally enclosed side wall buttress brace;
Step 3, the side wall part that step 2 is assembled winches to the assembling position of foetus, line assembling bottom side rail groupBecome, this bottom side rail composition comprises that a cross section is trapezoidal bottom side rail, and a waist of bottom side rail is opening,Another waist is sealing and the weld that is welded on the second framed side wallboard and the 3rd framed side wallboard; The weldering of bottom side rail two endsConnect and be fixed with bottom side rail shrouding, bottom side rail shrouding is made up of two shroudings that be arranged in parallel; Two parallelBetween the shrouding arranging, be provided with some dividing plates and bottom side rail stiffening plate; Bottom side rail stiffening plate comprises oneStiffening plate, stiffening plate both sides are arc; After line assembling bottom side rail composition, under impaction state, determinePosition solid welding is fixed; Prefabricated bottom side rail reversible deformation, completes bottom and framed side wallboard weld seam, welds with framed side wallboard topAfter staying car load to assemble, welds again seam; Respectively prefabricated top side rail composition, side wall buttress brace compositionReversible deformation, under impaction state successively welding weld seam relevant to framed side wallboard; Must not be from two ends when weldingTo middle welding;
Step 4, the rear employing overhead traveling crane of completing steps 3 and special hanger make side wall composition turn-over, adopt MAGAutomatic welding welds the reverse side splicing welding joint of the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard successively;Must not be from two ends to middle welding when welding; Weld the hand-held plasma cutting of rear employing and removed splicingArc plate is drawn/receives at weld seam two ends, and the cutting part of polishing is to seamlessly transitting;
Step 5, enters the added assembling procedure of car load after completing steps 4, adopt added assembling tyre frock,The body part that fixture forms framed side wallboard and headwall composition, dividing plate is realized profiling laminating, preparation sideWall circular arc, carries out tack welding after subsides are tight and fixes, and realizes car load assembling;
Step 6, for ensureing car load assembling quality, reduces car load assembling difficulty, and bottom side rail is strengthened to composition,Strengthen after column is stayed the added welder's of turning over order of completing steps 5 assembling, welding; This bottom side rail addsBrutal composition comprises a bottom side rail buttress brace, and bottom side rail buttress brace comprises a splice after die mould,This splice is L shaped, and this curb girder buttress brace composition comprises that two are tilted to weld with bottom side rail buttress brace wooden partitionOne end of one, two plate one of plate and one end of plate two of connecing are welded and fixed; The other end weldering of two plates oneConnect and be fixed with bottom side rail buttress brace shrouding; It is trapezoidal that the side of two plates one is also welded with cross sectionBottom side rail is strengthened stiffening plate, and it is parallel with plate one that bottom side rail is strengthened stiffening plate; Bottom side rail buttress brace shrouding withThe shrouding of bottom side rail composition is parallel; It is U-shaped or trapezoidal or triangle that side wall is strengthened column; According to above-mentionedBottom side rail buttress brace composition structure and side wall are strengthened pillar construction and are being turned over weldering completing steps 5 addedAfter operation, assemble, weld.
The worker forming at the railway freight-car circular arc side wall of above-mentioned a kind of longitudinal spliced and equal strength designSkill, in step 1, the drawing/receive arc plate and can prepare in the lump in the time of framed side wallboard blanking of splicing welding joint two ends.
Therefore, tool of the present invention has the following advantages: 1. a kind of longitudinal spliced iron designing with equal strength is providedAfloat car circular arc sidewall structure, framed side wallboard adopts longitudinal spliced mode, and longitudinal spliced weld seam is not more than 2Bar, effectively reduces splicing welding joint length, reduces joint bevel processing capacity and wlding consumption, contributes to carryRise the rate that comes into force, cost-saving; Framed side wallboard take longitudinal spliced, can be according to carrying demand choose reasonable,Realize and do not wait the longitudinal spliced of thickness of slab, realize by assemblies such as top side rail, side wall buttress brace and bottom side railsFramed side wallboard does not wait thickness of slab splicing and equicohesive design, in the situation that reduces deadweight, minimizing material consumptionBearing strength and rigidity that lower guarantee is enough, make benefit extension; 3. longitudinal spliced weldering outside framed side wallboardSeam can be arranged at the assembly belows such as side wall buttress brace and lower side wall, effectively hiding, makes whole side wall knotStructure outside is without visible splicing welding joint, and side wall flatness is effectively controlled, appearance looks elegant; 4. longitudinalSide wall connecting method can be realized and not wait thickness of slab longitudinal spliced, can design upper side according to car body stressWallboard thickness of slab, lower than lower side wallboard thickness of slab, designs side wall arc section in framed side wallboard top, can be abundantUtilize and hold yielding feature compared with sheet member, its side wall radian grinds by hold down gag at car load assembling procedurePress portion framed side wallboard laminating headwall, dividing plate circular arc is prepared, without the round as a ball work of specialized designs framed side wallboardOrder, horizontally-spliced weld seam can directly carry out assembled welding at platform, more easily realizes automatic welding and once weldsConnect. Whole sidewall structure has fabulous anufacturability, and operation is simplified, manufacture difficultyAnd labour intensity reduction, tooling device drops into simple, and efficiency is effectively promoted; 5. longitudinally side wall is spelledThe mode of connecing can not wasted under the prerequisite of material, and splicing welding joint two ends are drawn to (receipts) arc plate with sideWallboard is cutting stock and groove processing in the lump, and weld and adopted hand-held plasma cutting to remove, withoutPreparation separately, cost-saving, quality control is more reliable; 6. the side such as top side rail composition, bottom side rail compositionWall part carries out assembly welding on the horizontal position of foetus, more easily carries out reversible deformation prefabricated, work simplification.
Brief description of the drawings
Accompanying drawing 1 is the railway freight-car circular arc side wall composition structure of longitudinal spliced in the present invention and equal strength designFront view.
Accompanying drawing 2 is railway freight-car circular arc side wall composition structures of longitudinal spliced in the present invention and equal strength designSide view.
Accompanying drawing 3 is framed side wallboard composition schematic diagrames in the present invention.
Accompanying drawing 4 is top side rail composition schematic three dimensional views in the present invention.
Accompanying drawing 5 is side wall buttress brace composition schematic three dimensional views in the present invention.
Accompanying drawing 6 is bottom side rail composition schematic three dimensional views in the present invention.
Accompanying drawing 7 is bottom side rail buttress brace composition schematic three dimensional views in the present invention.
Accompanying drawing 8 is in the present invention, to strengthen column schematic three dimensional views.
Accompanying drawing 9 is reversible deformation compacting schematic diagrames in the present invention.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is done further concreteExplanation. In figure, top side rail composition 1, circular arc framed side wallboard composition 2, side wall buttress brace composition 3, side wallStrengthen column 4, bottom side rail composition 5, bottom side rail buttress brace composition 6, the first framed side wallboard 7, longitudinally spellWelding seam 1, the second framed side wallboard 9, longitudinal spliced weld seam 2 10, the 3rd framed side wallboard 11, top side railShrouding 12, top side rail 13, top side rail dividing plate 14, side wall buttress brace shrouding 15, side wall buttress brace 16,Bottom side rail shrouding 17, bottom side rail stiffening plate 18, bottom side rail dividing plate 19, bottom side rail 20, the first downsideBeam buttress brace dividing plate 21, the second bottom side rail buttress brace dividing plate 22, bottom side rail buttress brace 23, bottom side rail addBrutal shrouding 24, bottom side rail are strengthened stiffening plate 25.
Embodiment:
One, paper structure of the present invention:
The invention provides a kind of railway freight-car circular arc sidewall structure longitudinal spliced and equal strength design (schemes1, Fig. 2), its structure is: comprise Fig. 3 the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard, figure4 top side rail compositions, Fig. 5 side wall buttress brace composition, Fig. 6 bottom side rail composition, Fig. 7 bottom side rail reinforcement groupBecome, Fig. 8 strengthens column etc.
Seaming position in wherein said Fig. 3 framed side wallboard structure can be adjusted according to actual, butSplicing welding joint outside finally need be placed in the bottom of Fig. 5 side wall buttress brace composition or Fig. 6 bottom side rail composition,To reach the object of hiding splicing welding joint.
The first framed side wallboard in wherein said Fig. 3 in framed side wallboard structure, the second framed side wallboard, the 3rd sideWallboard is to be different thicknesss of slab, is undertaken longitudinally by designing monolateral or bilateral double V-groove joint geometryBe spliced into whole framed side wallboard, guarantee through welding, certainly can adopt the form of plate docking square groove or takeConnect form, it should be noted that, can be according to actual sheet material size, only adopt two framed side wallboards to enterRow is longitudinal spliced.
In wherein said Fig. 3, the second framed side wallboard can be identical with the design thickness of slab of the 3rd framed side wallboard, can rootAccording to the height of rolling stock and order a material manufacture for material size, do not splice.
Wherein said Fig. 4 top side rail composition is placed in side wall top, with framed side wallboard by being welded to connect,Play reinforcement sidewall structure and increase the effect of putting forward bearing strength and rigidity, its sectional dimension and shape can rootsDetermine flexibly according to design load bearing requirements, structure mainly by part 12 top side rail shroudings, part 13 top side rails,Part 14 top side rail dividing plate assembly weldings form.
Wherein said Fig. 5 side wall buttress brace composition is placed in side wall middle part, connects by welding with framed side wallboardConnect, in playing reinforcement sidewall structure bearing strength and stiffness, can effectively block outside designSee longitudinal spliced weld seam, realize smoothly the not uniform thickness equal strength design of framed side wallboard, ensure outward appearance manufacture matterAmount. Its sectional dimension and shape can be definite flexibly according to design load bearing requirements, and structure is mainly by part 15Side wall buttress brace shrouding, part 16 side wall buttress brace assembly weldings form.
Wherein said Fig. 6 bottom side rail composition is placed in side wall bottom, with framed side wallboard by being welded to connect,In playing reinforcement sidewall structure bearing strength and stiffness, can effectively block design outward appearance and indulgeTo splicing welding joint, realize smoothly the not uniform thickness equal strength design of framed side wallboard, ensure outward appearance workmanship.Its sectional dimension and shape also can determine flexibly according to design load bearing requirements, and structure is mainly by part 17 timesSide beam seal plate, part 18 bottom side rail stiffening plates, part 19 bottom side rail dividing plates, part 20 bottom side rail assembly weldings form.
Wherein said Fig. 7 bottom side rail buttress brace composition is logical with Fig. 3 framed side wallboard and Fig. 6 bottom side rail compositionCross and be welded to connect, play the effect of strengthening side wall overall construction intensity and rigidity, can be according to railwayDesign load bearing requirements considers whether must design, and its sectional dimension and shape can be wanted according to design carryingAsk flexibly and determine, structure is mainly by part 21 first bottom side rail buttress brace dividing plates, part 22 second bottom side railsButtress brace dividing plate, part 23 bottom side rail buttress braces, part 24 bottom side rail buttress brace shroudings, part 25 bottom side railsThe assembly weldings such as buttress brace stiffening plate form.
Wherein said Fig. 8 side wall reinforcement column composition and Fig. 3 framed side wallboard and Fig. 6 bottom side rail composition,Fig. 5 side wall buttress brace forms by being welded to connect, and plays and strengthens side wall overall construction intensity and rigidityEffect, can consider whether must design according to the design load bearing requirements of railway, its sectional dimension and shapeShape can be determined flexibly according to design load bearing requirements.
Two, next introduce the railway freight-car circular arc side wall composition of manufacturing longitudinal spliced and equal strength designManufacturing process.
By reference to the accompanying drawings, and as example, the invention will be further described taking certain outlet ore hopper car,But do not limit the present invention.
Be this ore hopper car side wall composition structure as shown in Figure 1 and Figure 2, side wall composition upper length chiVery little is 6298mm, and side wall composition lower length is of a size of 7970mm, mainly by Fig. 3 the first framed side wallboard 7,The second framed side wallboard 9, the 3rd framed side wallboard 11, Fig. 4 top side rail composition, Fig. 5 side wall buttress brace composition,Fig. 6 bottom side rail composition, Fig. 7 bottom side rail is strengthened composition, and Fig. 8 strengthens the assembly weldings such as column and forms.
Be illustrated in figure 3 and do not wait thickness of slab framed side wallboard structure, adopt longitudinal spliced mode by the first side wallPlate 7, the second framed side wallboard 9 and the 3rd framed side wallboard 11 totally three framed side wallboard process conditions are longitudinally spelled by firstWelding seam, two weld seams of the second longitudinal spliced weld seam are spliced, and its joint geometry is as follows, and welding is adoptedUse automatic welding process.
Wherein the first framed side wallboard 7 is the T4003 stainless steel of t3.5mm thickness of slab, and upper length is of a size of6298mm, lower length is of a size of 7126mm, for guarantee through welding lower side is prepared one side double V-groove.The second framed side wallboard 9 is the T4003 stainless steel of t5mm thickness of slab, and upper length is of a size of 7126mm, underMinister's degree is of a size of 7970mm, for reducing welding stress, and bottom and the 3rd framed side wallboard 11 splicing edge designsFor obtuse angle transition, the 3rd framed side wallboard 11 is the T4003 stainless steel of t5mm thickness of slab, upper length sizeFor 4960mm, and prepare one side double V-groove at upper side edge, be convenient to carry out with the second framed side wallboard 9 bottomsSplicing.
Figure 4 shows that top side rail composition, mainly by part 12 top side rail shroudings, part 13 top side rails, part14 top side rail dividing plate assembly weldings form. It is assembled in side wall upside, after the horizontal position of foetus and framed side wallboard assemblingWeld, prefabricated certain reversible deformation while welding with framed side wallboard, to control welding deformation amount.
Figure 5 shows that side wall buttress brace composition, mainly by part 15 side wall buttress brace shroudings, part 16 sidesWall buttress brace assembly welding forms. It is placed in side wall middle part, and the first longitudinal spliced weld seam is positioned at its underpart,After the horizontal position of foetus and framed side wallboard assembling, weld, prefabricated certain reversible deformation when welding, to control welderingConnect deflection.
Figure 6 shows that bottom side rail composition, mainly by part 17 bottom side rail shroudings, part 18 bottom side rail reinforcementPlate, part 19 bottom side rail dividing plates, part 20 bottom side rail assembly weldings form. It is placed in side wall bottom, and second is verticalBe positioned at its underpart to splicing welding joint, after the horizontal position of foetus and framed side wallboard assembling, weld, pre-when weldingMake certain reversible deformation, to control welding deformation amount.
Figure 7 shows that bottom side rail buttress brace composition, mainly by by part 21 bottom side rail buttress brace dividing plates 1,Part 22 bottom side rail buttress brace dividing plates 2, part 23 bottom side rail buttress braces, part 24 bottom side rail buttress brace shroudings,The assembly weldings such as part 25 bottom side rail buttress brace stiffening plates form. It is as for bottom side rail bottom, with Fig. 3 framed side wallboardAnd Fig. 6 bottom side rail forms by being welded to connect.
Figure 8 shows that side wall strengthens column, with Fig. 3 framed side wallboard and Fig. 6 bottom side rail composition, Fig. 5 sideWall buttress brace forms by being welded to connect.
Can assemble according to the following steps, weld MRL ore hopper car circular arc sidewall structure:
A. assembly welding Fig. 4 top side rail composition, Fig. 5 side wall buttress brace composition, Fig. 6 bottom side rail composition, figure7 bottom side rails are strengthened composition.
B. the first framed side wallboard 7, the second side wall in framed side wallboard structure in spliced map 3 on the horizontal position of foetusPlate 9, the 3rd framed side wallboard 11, first by the first framed side wallboard 7, the second framed side wallboard 9, the 3rd framed side wallboard 11Winch to the assembling position of foetus, group is fixed adjusting laggard row tack welding, assembles qualified employing auxiliary mould and compressesEach framed side wallboard splicing welding joint place, makes itself and the horizontal position of foetus closely connected, adopts MAG automatic process to complete splicingThe front welding of weld seam. Must not weld to centre from two ends.
C. the assembly drawing 4 top side rails compositions of ruling, Fig. 5 side wall buttress brace composition, under impaction state fromCentre positions solid welding to two ends fixed.
D. side wall part step c being assembled winches to another assembling position of foetus, line assembly drawing 6 downsidesBeam composition positions solid welding fixed under impaction state. Prefabricated bottom side rail anti-deformation 50mm, completesBottom and framed side wallboard weld seam, weld after staying car load to assemble with framed side wallboard top weld seam again. PointNot not prefabricated Fig. 4 top side rail composition anti-deformation 40mm, the anti-deformation of Fig. 5 side wall buttress brace composition30mm welds successively weld seam relevant to framed side wallboard under impaction state.
E. after completing steps d, adopt overhead traveling crane and special hanger to make side wall composition reverse side, adopt automatic welding to comply withThe reverse side splicing welding joint of inferior welding the first framed side wallboard 7, the second framed side wallboard 9, the 3rd framed side wallboard 11. NoMust weld to centre from two ends. Weld the hand-held plasma cutting of rear employing and removed splicing welding joint two endsDraw (receipts) arc plate, and the cutting part of polishing is to seamlessly transitting.
F. after completing steps d, enter the added assembling procedure of car load, adopt added assembling tyre frock, fixtureMake the body parts such as framed side wallboard and headwall composition, dividing plate composition realize profiling laminating, prepare side wall circleArc, realizes car load assembling.
G. for ensureing car load assembling quality, reduce car load assembling difficulty, Fig. 7 bottom side rail strengthened to composition,Fig. 8 strengthens column and stays the added welder's of turning over order of completing steps f and assemble, weld.
Adopt the horizontally-spliced formula circular arc framed side wallboard manufacturing process side of process program of the present invention with respect to routineCase, Main Economic Efficiency Comparison is as follows:
The comparison (single-piece side wall) of the present invention and traditional scheme
Specific embodiment described herein is only to the explanation for example of the present invention's spirit. The present inventionPerson of ordinary skill in the field can to described specific embodiment make various amendments orSupplement or adopt similar mode to substitute, but can't depart from spirit of the present invention or surmount appended powerThe defined scope of profit claim.
Although more used top side rail composition 1, circular arc framed side wallboard composition 2, side wall buttress brace hereinComposition 3, side wall are strengthened column 4, bottom side rail composition 5, bottom side rail buttress brace composition 6, the first side wallPlate 7, longitudinal spliced weld seam 1, the second framed side wallboard 9, longitudinal spliced weld seam 2 10, the 3rd framed side wallboard11, top side rail shrouding 12, top side rail 13, top side rail dividing plate 14, side wall buttress brace shrouding 15, sideWall buttress brace 16, bottom side rail shrouding 17, bottom side rail stiffening plate 18, bottom side rail dividing plate 19, bottom side rail20, the first bottom side rail buttress brace dividing plate 21, the second bottom side rail buttress brace dividing plate 22, bottom side rail buttress brace23, bottom side rail buttress brace shrouding 24, bottom side rail are strengthened the terms such as stiffening plate 25, but are not got rid of useThe possibility of other term. Use these terms to be only used to describe more easily and explain the present inventionEssence; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (2)
1. the manufacturing process that railway freight-car circular arc side wall longitudinal spliced and equal strength design forms, itsBe characterised in that, comprise the following steps:
Step 1, longitudinal spliced the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard on the horizontal position of foetus,First the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard are winched to the assembling position of foetus, group is laggard to adjustingRow tack welding is fixed, because splicing is docking or the overlap joint of bevel or square groove, so firstFramed side wallboard, the second framed side wallboard, the 3rd framed side wallboard can be different thicknesss of slab, i.e. the first framed side wallboard, secondThe thickness of slab of framed side wallboard, the 3rd framed side wallboard can be between two different or three all different; Assemble qualified employingAuxiliary mould compresses each framed side wallboard splicing welding joint place, makes itself and the horizontal position of foetus closely connected, adopts MAG automaticTechnique or semiautomatic welding technique complete the front welding of splicing welding joint; Must not be from two ends to centre when weldingWelding;
Step 2 line assembling top side rail composition and line side wall buttress brace composition enter under impaction stateRow tack welding is fixed; When tack welding, should weld from the middle to both ends; This top side rail composition comprises that one is cutFace is the top side rail of U-shaped, two ends be fixed with top side rail shrouding parallel with top side rail cross section in top side rail;Parallelly with top side rail shrouding between two top side rail shroudings be fixed with some top side rail dividing plates; Side wall is strengthenedBeam composition comprises the side wall buttress brace of a hollow, and side wall buttress brace two ends are welded with side wall and strengthenSide wall buttress brace is sealed into a totally enclosed side wall buttress brace by beam shrouding;
Step 3, the side wall part that step 2 is assembled winches to the assembling position of foetus, line assembling bottom side rail groupBecome, this bottom side rail composition comprises that a cross section is trapezoidal bottom side rail, and a waist of bottom side rail is opening,Another waist is sealing and the weld that is welded on the second framed side wallboard and the 3rd framed side wallboard; The weldering of bottom side rail two endsConnect and be fixed with bottom side rail shrouding, bottom side rail shrouding is made up of two shroudings that be arranged in parallel; Two parallelBetween the shrouding arranging, be provided with some dividing plates and bottom side rail stiffening plate; Bottom side rail stiffening plate comprises oneStiffening plate, stiffening plate both sides are arc; After line assembling bottom side rail composition, under impaction state, determinePosition solid welding is fixed; Prefabricated bottom side rail reversible deformation, completes bottom and framed side wallboard weld seam, welds with framed side wallboard topStitch until car load welds after having assembled again; The reversible deformation of prefabricated top side rail composition, prefabricated side wallWeld seam relevant to framed side wallboard welded successively in the reversible deformation of buttress brace composition under impaction state; When weldingMust not be from two ends to middle welding;
Step 4, the rear employing overhead traveling crane of completing steps 3 and special hanger make side wall composition turn-over, adopt MAGAutomatic welding welds the reverse side splicing welding joint of the first framed side wallboard, the second framed side wallboard, the 3rd framed side wallboard successively;Must not be from two ends to middle welding when welding; Weld the hand-held plasma cutting of rear employing and removed splicingArc plate is drawn/receives at weld seam two ends, and the cutting part of polishing is to seamlessly transitting;
Step 5, enters the added assembling procedure of car load after completing steps 4, adopt added assembling tyre frock,The body part that fixture forms framed side wallboard and headwall composition, dividing plate is realized profiling laminating, preparation sideWall circular arc, carries out tack welding after subsides are tight and fixes, and realizes car load assembling;
Step 6, for ensureing car load assembling quality, reduces car load assembling difficulty, and bottom side rail is strengthened to composition,Strengthen after column is stayed the added welder's of turning over order of completing steps 5 assembling, welding; This bottom side rail addsBrutal composition comprises a bottom side rail buttress brace, and bottom side rail buttress brace comprises a splice after die mould,This splice is L shaped, and this curb girder buttress brace composition comprises that two are tilted to weld with bottom side rail buttress brace wooden partitionOne end of one, two plate one of plate and one end of plate two of connecing are welded and fixed; The other end weldering of two plates oneConnect and be fixed with bottom side rail buttress brace shrouding; It is trapezoidal that the side of two plates one is also welded with cross sectionBottom side rail is strengthened stiffening plate, and it is parallel with plate one that bottom side rail is strengthened stiffening plate; Bottom side rail buttress brace shrouding withThe shrouding of bottom side rail composition is parallel; It is U-shaped or trapezoidal or triangle that side wall is strengthened column; According to above-mentionedBottom side rail buttress brace composition structure and side wall are strengthened pillar construction and are turned over welder completing steps 5 addedAfter order, assemble, weld.
2. the railway freight-car circular arc side of a kind of longitudinal spliced and equal strength design according to claim 1The manufacturing process of wall composition, is characterized in that, in step 1, splicing welding joint two ends draw/receive arc plate energyEnough in the time of framed side wallboard blanking, prepare in the lump.
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| CN104228859B (en) * | 2014-09-30 | 2017-04-12 | 中车齐齐哈尔车辆有限公司 | Wagon and lateral wall thereof |
| CN104551425A (en) * | 2014-11-24 | 2015-04-29 | 长春轨道客车股份有限公司 | Adjustment and repair-free assembly welding method for three-dimensional bent aluminum alloy beam column and three-dimensional curved open section |
| CN105234574B (en) * | 2015-11-06 | 2017-12-19 | 中车长江车辆有限公司 | A kind of assembly welding method for being used to control railway freight-car headwall and floor assembly clearance |
| CN105345471B (en) * | 2015-12-09 | 2018-05-18 | 中车长江车辆有限公司 | The producing device and method of the multi-section circular arc side wall in compartment |
| CN107901933A (en) * | 2017-11-09 | 2018-04-13 | 中车北京二七车辆有限公司 | A kind of automobile-used side wall compositions of new SQ6 |
| CN113118601B (en) * | 2021-03-31 | 2022-07-26 | 中车青岛四方机车车辆股份有限公司 | Automatic welding method for railway vehicle |
| CN116944639B (en) * | 2023-09-20 | 2023-12-26 | 晋西铁路车辆有限责任公司 | Railway wagon plate column type end wall assembly welding process |
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Address after: 430212 new bridge area, Jiangxia Economic Development Zone, Wuhan, Hubei Patentee after: CRRC Yangtze Co.,Ltd. Address before: 430212 new bridge area, Jiangxia Economic Development Zone, Wuhan, Hubei Patentee before: CSR Yangtze Co.,Ltd. |
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